Created
January 24, 2012 23:09
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Another version of split random
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| class Array | |
| # split array into groups up to n items, randomly choosing the size. | |
| def split_random(n) | |
| size == 0 ? self : (size == 1 ? [self] : self[1..-1].reduce([[self[0]]]){|ll, elt| (rand(n)==(n-1) || ll[-1].size==n) ? ll + [[elt]] : ll[0..-2] + [ll[-1] +[elt]]}) | |
| end | |
| end |
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